Update readme

Author: rafgraph

README.md

@@ -4,7 +4,7 @@
 
 [Live Example](http://react-router-hash-link.rafrex.com/)
 
-This is a solution to React Router's issue of not scrolling to `#hash-fragments` when using the `<Link>` component to navigate.
+This is a solution to [React Router's issue of not scrolling to `#hash-fragments`](https://github.com/reactjs/react-router/issues/394#issuecomment-220221604) when using the `<Link>` component to navigate.
 
 When you click on a link created with `react-router-hash-link` is will scroll to the element on the page with with the `id` that matches the `#hash-fragment` in the link. Note that you must use React Router's `BrowserRouter` for this to work.
 
@@ -18,5 +18,5 @@ $ npm install --save react-router-hash-link
 import { HashLink as Link } from 'react-router-hash-link';
 ...
 // Use it just like a RRv4 link:
-<Link to="/some/path#with-hash-fragment">Link to Hash Fragment<Link>
+<Link to="/some/path#with-hash-fragment">Link to Hash Fragment</Link>
 ```